WO2015182260A1 - Produit cosmétique pour la peau - Google Patents

Produit cosmétique pour la peau Download PDF

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Publication number
WO2015182260A1
WO2015182260A1 PCT/JP2015/061219 JP2015061219W WO2015182260A1 WO 2015182260 A1 WO2015182260 A1 WO 2015182260A1 JP 2015061219 W JP2015061219 W JP 2015061219W WO 2015182260 A1 WO2015182260 A1 WO 2015182260A1
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Prior art keywords
mass
component
skin
components
preferable
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PCT/JP2015/061219
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English (en)
Japanese (ja)
Inventor
友和 吉田
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花王株式会社
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Priority to US15/027,341 priority Critical patent/US20160243012A1/en
Publication of WO2015182260A1 publication Critical patent/WO2015182260A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/43—Guanidines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/41—Amines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0295—Liquid crystals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/342—Alcohols having more than seven atoms in an unbroken chain
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34—Alcohols
    • A61K8/345—Alcohols containing more than one hydroxy group
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
    • A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/007—Preparations for dry skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/52—Stabilizers

Definitions

  • the present invention relates to a skin cosmetic.
  • polyols such as glycerin, various oils, moisturizers such as amino acids and hyaluronic acid are used.
  • Formulated cosmetics have been developed. These cosmetics are coated with an emulsified layer containing oil and water on the skin to protect the skin from external irritation, prevent transpiration of moisture from the inside of the skin, and provide a certain amount of moisture to the skin. By giving, it contributes to the improvement of rough skin and dry skin.
  • Non-patent Document 1 cosmetics containing a keratin intercellular lipid component such as ceramide and having a lamellar structure similar to intercellular lipid have been proposed (Non-patent Document 1, Patent Document 1).
  • Patent Document 2 a technique for forming a lamellar structure without using ceramide or the like.
  • Patent Document 2 a technique using a fatty acid arginine salt is known.
  • Patent Document 2 cosmetics in which a higher alcohol or a surfactant is combined with a fatty acid arginine salt have been studied (for example, Patent Document 2).
  • Non-Patent Document 1 The journal of investigative dermatology, vol.96 (6), 845-851 (1991)
  • Non-Patent Document 2 J. Oleo. Sci., Vol. 54 (6), 325-333 (2005)
  • Patent Document 1 JP-A-6-345633
  • Patent Document 2 JP-A-2007-9199
  • the technique of using a fatty acid arginine salt without using ceramide is insufficient in terms of the stability and moisture retention of the oil agent.
  • the present invention allows a moisturizing component to be uniformly adhered to the skin for a long time by applying a cosmetic coating film having a lamellar structure on the skin surface after the cosmetic is applied to the skin, and the moisturizing component is not sticky.
  • the present invention relates to a high moisturizing effect and a skin cosmetic that maintains its effect.
  • the inventor combines a specific saturated fatty acid, a saturated alcohol, an organic base, an inorganic base, a moisturizing component, and water at a specific ratio to form a lamellar film, and stably stabilizes a large amount of the moisturizing component in the lamellar film. Therefore, it has been found that a moisturizing component can be uniformly adhered to the skin for a long period of time, there is no stickiness derived from the moisturizing component, and a high moisturizing effect and a skin cosmetic that maintains the effect can be obtained.
  • the skin cosmetic of the present invention has a lamellar structure, in a lamellar formed as a continuous phase in the cosmetic (hereinafter referred to as a bulk lamellar), a large amount of moisture and moisturizing components are formed between the layers of the lamellar to be formed. Therefore, even after being applied to the skin, the moisture and moisturizing components retained in the lamellar membrane remain on the skin without diffusing. Furthermore, a coating film having a lamellar structure formed on the skin is characterized by maintaining the structure for a long time without crystallization even after moisture has evaporated.
  • the structure and characteristics of such lamellae contributed to the excellent effects of the present invention in terms of moisture occlusion, persistence of moistness, no stickiness, and uniform distribution of moisture on the skin. .
  • the presence of a lamellar structure can be confirmed by performing small-angle X-ray diffraction measurement and observing repeated diffraction peaks characteristic of the lamellar structure in the obtained X-ray diffraction profile.
  • the bulk lamella can be confirmed with a polarizing microscope (sample thickness: 25 mm). That is, what appears to be totally shining in the visual field indicates the presence of the bulk lamella.
  • the skin cosmetic of the present invention has excellent storage stability, it has a stable lamellar structure and can retain a moisturizing component in the lamellar film, so that the moisturizing effect is high and the effect lasts for a long time. Moreover, the moisturizing component retained in the lamellar film can adhere to the skin uniformly for a long time. Furthermore, even if a large amount of a moisturizing component is blended, it is covered with a lamellar film, so that it is difficult to feel stickiness derived from the moisturizing component.
  • Linear saturated fatty acid having 12 to 22 carbon atoms is a linear saturated fatty acid having 12 to 22 carbon atoms, and examples thereof include lauric acid, myristic acid, palmitic acid, stearic acid, and behenic acid. Of these, linear saturated fatty acids having 14 to 22 carbon atoms are preferable, linear saturated fatty acids having 16 to 22 carbon atoms are more preferable, and at least one selected from palmitic acid and stearic acid is a cosmetic.
  • the lamella it is more preferable from the viewpoint of forming a stable lamellar structure, and as the lamella, from the viewpoint of forming a bulk lamella having a large amount of moisture and a moisturizing component between lamella layers. Furthermore, stearic acid is more preferable from the viewpoint of the stability of the lamellar structure.
  • the component (A) at least one or more selected from the above-mentioned linear saturated fatty acids having 12 to 22 carbon atoms can be used, and neutralization is performed with the components (B) and (C) described later.
  • a lamellar structure can be formed in the cosmetic. Therefore, the component (A) exists as a fatty acid or a salt thereof in the cosmetic, but in the present invention, the content of the component (A) is an amount converted to a fatty acid.
  • the content of the component (A) is 0.5% by mass or more in the total composition from the viewpoint of forming a stable lamellar structure in the cosmetic and from the viewpoint of forming a bulk lamella and a concentric lamella as the lamella.
  • the content of the component (A) is 0.5 to 8% by mass in the total composition, preferably 1.5 to 7% by mass, and more preferably 2.5 to 6% by mass.
  • Component (B) used in the present invention is an organic base, and examples thereof include alkylamines having an alkyl group having 1 to 6 carbon atoms, alkanolamines having an alkyl group having 1 to 6 carbon atoms, and basic amino acids.
  • Component (B) functions as a neutralizing agent for component (A).
  • examples of the alkylamine include methylamine, ethylamine, propylamine, butylamine, hexylamine, dimethylamine, and diethylamine.
  • alkanolamine examples include monoethanolamine, diethanolamine, triethanolamine, N-methyl-diethanolamine, N, N-dimethylmonoethanolamine, aminomethylpropanol, and aminomethylpropanol is preferable.
  • basic amino acids include lysine, histidine, arginine and the like, and arginine is preferable.
  • arginines L-arginine is preferable.
  • alkanolamines having 1 to 6 carbon atoms and basic amino acids having 1 to 6 carbon atoms are preferred, and 3 to 6 carbon atoms are preferred.
  • basic amino acids are more preferable, aminomethylpropanol or arginine is still more preferable, and arginine is more preferable.
  • arginines L-arginine is preferable.
  • Component (B) can be used at least one or more selected from the above-mentioned organic bases, has the viewpoint of enhancing the stability of the lamellar structure of the skin cosmetic, the viewpoint of suppressing crystal precipitation, and the moisture retention.
  • the molar ratio of the component (B) to the component (A) is preferably 10 mol% or more, more preferably 30 mol% or more, preferably 80 mol% or less, and preferably 60 mol% or less. More preferred.
  • the content of the component (B) is 0.05% by mass or more, preferably 0.15% by mass or more in the total composition from the viewpoint of enhancing the stability of the lamellar structure of the skin cosmetic and enhancing the moisture retention.
  • 0.5 mass% or more is more preferable, it is 5 mass% or less, 4 mass% or less is preferable, and 3.5 mass% or less is more preferable.
  • the content of the component (B) is 0.05 to 5% by mass in the total composition, preferably 0.15 to 4% by mass, and more preferably 0.5 to 3.5% by mass.
  • content of a component (B) is the quantity converted into the organic base. is there.
  • Component (C) used in the present invention is an inorganic base, and examples thereof include alkali metal hydroxides such as sodium hydroxide and potassium hydroxide.
  • Component (C) functions as a neutralizing agent for component (A).
  • the viewpoint of neutralizing the component (A) and forming a stable lamellar structure in the cosmetic, and a bulk lamella having a large amount of moisture and moisturizing components between the lamellar layers as the lamella From the viewpoint of formation and further from the viewpoint of the stability of the lamellar structure, sodium hydroxide or potassium hydroxide is preferable, and sodium hydroxide is more preferable.
  • Component (C) can be used alone or in combination of two or more, and from the viewpoint of enhancing the stability of the lamellar structure of the skin cosmetic and enhancing the moisture retention, the mole of component (C) relative to component (A) The ratio is preferably 10 mol% or more, more preferably 30 mol% or more, preferably 80 mol% or less, and more preferably 60 mol% or less.
  • the content of component (C) is 0.01% by mass or more, preferably 0.05% by mass or more in the total composition, from the viewpoint of enhancing the stability of the lamellar structure of the skin cosmetic and enhancing the moisture retention.
  • component (C) is 0.01 to 2% by mass, preferably 0.05 to 0.5% by mass, and more preferably 0.1 to 0.3% by mass in the total composition.
  • content of a component (C) is the quantity converted into the inorganic base. is there.
  • the molar ratio ⁇ (B) / [(B) + (C)] ⁇ of the component (B) to the total amount [(B) + (C)] of the components (B) and (C) (B) / [(B) + (C)] 60 to 90 mol% from the viewpoint of suppressing crystallization, from the viewpoint of forming a film excellent in moisture occlusive properties, and from the viewpoint of suppressing luster, 65 ⁇ 85 mol% is preferred, and 70 ⁇ 80 mol% is more preferred.
  • component (B) and component (C) is preferably such that component (B) is aminomethylpropanol or arginine and component (C) is sodium hydroxide or potassium hydroxide. More preferably, B) is arginine and component (C) is sodium hydroxide.
  • Component (D) used in the present invention is a linear saturated alcohol having 12 to 22 carbon atoms, and examples thereof include lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, and behenyl alcohol. Of these, linear saturated alcohols having 14 to 22 carbon atoms are preferable, linear saturated alcohols having 16 to 22 carbon atoms are more preferable, and the lamellar structure in the cosmetic formed by the component (A) is stabilized.
  • cetyl alcohol or stearyl alcohol is more preferred, and cetyl alcohol and stearyl alcohol are even more preferred.
  • cetyl alcohol and stearyl alcohol may be blended independently or as a mixture, or cetostearyl alcohol which is a mixture thereof may be blended.
  • Component (D) can be used at least one or more selected from the above-mentioned linear saturated alcohols having 12 to 22 carbon atoms, the viewpoint of stabilizing the lamellar structure in cosmetics,
  • the total composition is 0.1% by mass or more, preferably 0.5% by mass or more, and more preferably 1% by mass or more.
  • it is 5 mass% or less, 3 mass% or less is preferable, and 2.5 mass% or less is more preferable.
  • the content of component (D) is from 0.1 to 5% by mass, preferably from 0.5 to 3% by mass, more preferably from 1 to 2.5% by mass, based on the total composition.
  • the total amount (A) + (D) of the components (A) and (D) is 0.6% by mass or more in the total composition from the viewpoint of enhancing the storage stability of the cosmetic composition. It is preferably at least mass%, more preferably at least 4.5 mass%, at most 13 mass%, preferably at most 10 mass%, more preferably at most 8 mass%.
  • the mass ratio ⁇ (A) / [(A) + (D)] ⁇ of the component (A) to the total amount [(A) + (D)] of the components (A) and (D) is a cosmetic composition. From the viewpoint of forming lamellae in the product, suppressing crystallization, and improving moisture retention, it is 0.7 or more, preferably 0.73 or more, more preferably 0.75 or more, and 0.9 or less. Yes, 0.87 or less is preferable, and 0.82 or less is more preferable.
  • Moisturizing ingredient As the moisturizing component (E) used in the present invention, any of those used in ordinary cosmetics can be used. From the viewpoint of improving the moisture retention, polyhydric alcohols are preferable, and divalent or trivalent polyhydric alcohols are more preferable. Examples of the divalent or trivalent polyhydric alcohol include ethylene glycol, diethylene glycol, polyethylene glycol (number average molecular weight less than 1000), propylene glycol, 1,3-propanediol, dipropylene glycol, polypropylene glycol (number average molecular weight 1000). Less), 1,3-butylene glycol, glycerin, diglycerin, polyglycerin, isoprene glycol and the like.
  • the moisturizing component (E) is preferably one having a molecular weight of 70 to 600, more preferably 75 to 500, still more preferably 80 to 300, and still more preferably 85 to 200, from the viewpoint of improving the moisture retention.
  • Component (E) is preferably propylene glycol, 1,3-propanediol, dipropylene glycol, 1,3-butylene glycol, glycerin, diglycerin, 1,3-propanediol, 1,3-butylene glycol, diglycerin. More preferred is at least one selected from propylene glycol and glycerin.
  • the component (E) at least one of the above moisturizing components can be used.
  • the content of the component (E) is 0.1% by mass or more, preferably 1% by mass or more, more preferably 2.5% by mass or more, and 20% by mass from the viewpoint of improving moisture retention. It is below, 18 mass% or less is preferable and 15 mass% or less is more preferable.
  • the content of component (E) is 0.1 to 20% by mass in the total composition, preferably 1 to 18% by mass, and more preferably 2.5 to 15% by mass.
  • the mass ratio ⁇ (E) / [(A) + (D)] ⁇ of the component (E) to the total amount [(A) + (D)] of the components (A) and (D) is the moisture retention.
  • 0.1 or more is preferable, 0.15 or more is more preferable, 0.3 or more is more preferable, 3 or less is preferable, and 2.5 or less Is more preferable, and 1.5 or less is still more preferable.
  • the mass ratio ⁇ (E) / [(A) + (D)] ⁇ of the component (E) to the total amount [(A) + (D)] of the components (A) and (D) is 0.1. To 3, preferably 0.15 to 2.5, and more preferably 0.3 to 1.5.
  • the component (F) used in the present invention is water and serves as a solvent for the cosmetic of the present invention.
  • Component (F) is the remaining amount of each component, and a combination of components (A) to (F) can form a stable lamellar structure in the cosmetic.
  • the content of component (F) is from the viewpoint of forming a stable lamellar structure in cosmetics, and from the viewpoint of forming a bulk lamella having a large amount of moisture and moisturizing components between lamellar layers as the lamella. 50 mass% or more is preferable in the whole composition, 60 mass% or more is more preferable, 95 mass% or less is preferable, and 90 mass% or less is more preferable.
  • the content of component (F) is preferably 50 to 95% by mass, more preferably 60 to 90% by mass in the total composition.
  • the skin cosmetic of the present invention contains components (A) to (F) to form a lamellar structure.
  • This cosmetic is applied to the skin, and moisture is evaporated to form a cosmetic coating film on the skin surface.
  • This cosmetic coating film is a film produced by a bulk lamella having a large amount of moisture and moisturizing components between lamella layers.
  • the coating film with a lamellar structure formed on the skin maintains its structure for a long time without crystallization even after moisture evaporates, and the moisture and moisturizing components retained in the lamellar layer do not diffuse Can stay on the skin. As a result, moisture transpiration from the skin can be suppressed, moisture can be imparted to the skin, and high moisture retention can be obtained.
  • the moisturizing component which is the main cause of stickiness is retained in the lamellar layer forming the film, the stickiness is excellent.
  • the cosmetic of the present invention is characterized by high application uniformity of moisture and moisturizing ingredients on the skin. The reason for the details is unknown, but it is considered that the bulk lamella that retains moisture and moisturizing components is uniformly adapted to skin irregularities such as skin grooves, hides, and textures, and has high adhesion to the skin.
  • Nonionic surfactant in the present invention, a nonionic surfactant can be contained from the viewpoint of easily forming the above lamellar structure, improving the stability of the lamellar structure, and suppressing foaming.
  • the nonionic surfactant suppresses whitening of the skin due to fine bubbles generated by friction generated between the skin and the finger when the skin cosmetic of the present invention is applied to the skin with the finger. Can do. As a result, when applied, the cosmetic can be well adapted to the skin.
  • nonionic surfactant examples include ethylene glycol fatty acid esters such as ethylene glycol monostearate; polyethylene glycol fatty acid esters such as polyethylene glycol (2) monostearate; polyethylene glycol (5) decylpentadecyl ether and the like.
  • polyalkylene glycol alkyl ethers having an alkyl group having 12 to 22 carbon atoms are preferable from the viewpoint of suppressing generation of fine bubbles during coating, and having an alkyl group having 12 to 18 carbon atoms.
  • Polyalkylene glycol ether is more preferred.
  • the nonionic surfactant of component (G) can be used at least one or two or more selected from the above nonionic surfactants.
  • the viewpoint of improving moisturizing properties and sliminess can be used.
  • Polyethylene glycol ether of lauryl alcohol (laureth-3), polyethylene glycol ether of cetyl alcohol, stearyl alcohol It is more preferable to contain at least two selected from polyethylene glycol ethers, and it is even more preferable to contain the above three types of polyethylene glycol ethers.
  • polyalkylene glycol ethers having an alkyl group having 12 to 18 carbon atoms may be blended independently or in combination, polyethylene glycol ether of cetyl alcohol, stearyl alcohol Cetealess-20, which is a mixture of polyethylene glycol ethers, may be blended, and preferably contains Laureth-3 and Cetealess-20.
  • the content of the nonionic surfactant as the component (G) suppresses foaming of the cosmetic composition at the time of application, from the viewpoint of improving moisture retention, from the viewpoint of suppressing sliminess, from the viewpoint of improving stability. From a viewpoint, 0.1 mass% or more is preferable in the total composition, 0.3 mass% or more is more preferable, 0.5 mass% or more is further more preferable, 2 mass% or less is preferable, 1.8 mass% or less Is more preferable, and 1.5 mass% or less is still more preferable.
  • the content of component (G) is preferably 0.1 to 2% by mass, more preferably 0.3 to 1.8% by mass, and still more preferably 0.5 to 1.5% by mass in the total composition. .
  • the mass ratio ⁇ [(A) + (D)] / G ⁇ of the total amount [(A) + (D)] of the components (A) and (D) with respect to the component (G) improves the moisture retention.
  • 3 or more is preferable, 4 or more is more preferable, 5 or more is further preferable, and 30 or less is preferable. 20 or less is more preferable, and 15 or less is more preferable.
  • the mass ratio ⁇ [(A) + (D)] / G ⁇ of the total amount [(A) + (D)] of the components (A) and (D) to the component (G) is preferably 3 to 30. 4 to 20 is more preferable, and 5 to 15 is still more preferable.
  • the skin cosmetic of the present invention is a component other than the components (A) to (G) as components used in normal cosmetics, for example, oily components other than those described above, surfactants other than those described above, thickening agents, and the like.
  • Agents, bactericides, wetting agents, coloring agents, preservatives, feel improvers, powders, fragrances, anti-inflammatory agents, whitening agents, antiperspirants, ultraviolet absorbers, antioxidants, etc. can be contained as appropriate.
  • the skin cosmetic of the present invention can contain solid fats other than the components (A) and (D). From the viewpoint of stabilizing the lamellar structure, the content is preferably 10% by mass or less, more preferably 8% by mass or less, still more preferably 5% by mass or less, and still more preferably 3% by mass or less.
  • the viewpoint of improving the stability of the lamellar structure from the viewpoint of improving the stability of the lamellar structure, the viewpoint of improving the moisture retention, the viewpoint of reducing the oiliness, the viewpoint of improving the durability of the gloss, and the viewpoint of suppressing foaming, anionic surface activity An agent can be contained.
  • the anionic surfactant is selected from those excluding the component (A), and examples thereof include alkyl sulfates having 12 to 22 carbon atoms such as sodium lauryl sulfate and potassium lauryl sulfate or salts thereof; polyoxyethylene lauryl sulfate triethanol Alkyl ether sulfates having 12 to 22 carbon atoms such as amines or salts thereof; N-carbon acyl sarcosine having 12 to 22 carbon atoms such as lauroyl sarcosine sodium or salts thereof; alkyls having 12 to 22 carbon atoms such as sodium monostearyl phosphate Phosphoric acid or a salt thereof; Polyoxyethylene C12-C22 alkyl ether phosphoric acid or a salt thereof such as polyoxyethylene oleyl ether sodium phosphate or polyoxyethylene stearyl ether sodium phosphate; sodium di-2-ethylhexylsulfosuccinate Dialkylsulfo
  • the anionic surfactant at least one selected from the above-mentioned anionic surfactants can be used, and one kind can be used alone, or two or more kinds can be used in combination.
  • the content of the anionic surfactant The total composition is preferably 0.01% by mass or more, more preferably 0.1% by mass or more, further preferably 0.3% by mass or more, preferably 2% by mass or less, more preferably 1.8% by mass or less. 1.5% by mass or less is more preferable.
  • the skin cosmetic of the present invention for example, mixes components (B), (C), (E) and (F), and dissolves them at 60 to 100 ° C. to make a water phase part.
  • Ingredients (A) and (D) are mixed and dissolved at 60 to 100 ° C. to make a uniform oil phase part.
  • the water phase part and the oil phase part are mixed to be uniform, and preferably produced by cooling to 5 to 30 ° C., more preferably to 10 to 28 ° C., and further preferably to 15 to 26 ° C. it can.
  • the skin cosmetic of the present invention preferably has a pH of 5.5 to 9.5 at 25 ° C., and a pH of 6.0 to 9.0. More preferred is pH 6.5 to 8.5.
  • the pH is measured directly at 25 ° C. using a pH meter (F-52, manufactured by HORIBA).
  • the skin cosmetic of the present invention can be, for example, lotion, milky lotion, cream, gel, cosmetic liquid, etc., and is particularly preferably used as a cream or gel. Moreover, it can also be set as the sheet-like cosmetics impregnated or apply
  • the skin cosmetics of the present invention can be used by applying to the skin, preferably the scalp, more preferably any one of the face, body, limbs and the like. Moreover, the skin cosmetics of this invention can be moisturized by apply
  • the present invention further discloses the following composition, and a method for using the same or a method for producing the same, with respect to the above-described embodiment.
  • component (A) is preferably a linear saturated fatty acid having 14 to 22 carbon atoms, and more preferably a linear saturated fatty acid having 16 to 22 carbon atoms.
  • Component (A) is preferably at least one selected from lauric acid, myristic acid, palmitic acid, stearic acid and behenic acid, and at least any selected from palmitic acid and stearic acid.
  • the content of ⁇ 4> component (A) is preferably 1.5% by mass or more, more preferably 2.5% by mass or more, preferably 7% by mass or less, and preferably 6% by mass or less in the total composition.
  • Component (B) is preferably an alkylamine selected from methylamine, ethylamine, propylamine, butylamine, hexylamine, dimethylamine, diethylamine, monoethanolamine, diethanolamine, triethanolamine, N-methyl-diethanolamine Any one of the above ⁇ 1> to ⁇ 4>, comprising at least one basic amino acid selected from alkanolamine selected from N, N-dimethylmonoethanolamine and aminomethylpropanol, lysine, histidine, and arginine The skin cosmetic according to 1.
  • Component (B) is preferably an alkanolamine having an alkyl group having 1 to 6 carbon atoms or a basic amino acid having 1 to 6 carbon atoms and having an alkyl group having 3 to 6 carbon atoms
  • Component (B) is preferably aminomethylpropanol or arginine, more preferably arginine, and among arginine, L-arginine is preferable.
  • the content of ⁇ 8> component (B) is preferably 0.15% by mass or more, more preferably 0.5% by mass or more, preferably 4% by mass or less, and 3.5% by mass in the total composition. %.
  • the content of ⁇ 10> component (C) is preferably 0.05% by mass or more, more preferably 0.1% by mass or more, and preferably 0.5% by mass or less in the total composition.
  • component (B) and component (C) is preferably component (B) is aminomethylpropanol or arginine, component (C) is sodium hydroxide or potassium hydroxide, and component (B ) Is arginine, and the component (C) is more preferably sodium hydroxide,
  • component (B) is aminomethylpropanol or arginine
  • component (C) is sodium hydroxide or potassium hydroxide
  • component (B ) Is arginine
  • the component (C) is more preferably sodium hydroxide
  • Component (D) is preferably a linear saturated alcohol having 14 to 22 carbon atoms, more preferably a linear saturated alcohol having 16 to 22 carbon atoms.
  • Component (D) is preferably lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, more preferably cetyl alcohol, stearyl alcohol, and further containing cetyl alcohol and stearyl alcohol.
  • the content of ⁇ 16> component (D) is preferably 0.5% by mass or more, more preferably 1% by mass or more, and preferably 3% by mass or less, and 2.5% by mass in the entire composition.
  • the total amount (A) + (D) of the components (A) and (D) is preferably 2% by mass or more in the total composition, more preferably 4.5% by mass or more, and 10% by mass. % Or less, and more preferably 8% by mass or less.
  • the mass ratio ⁇ (A) / [(A) + (D)] ⁇ of the component (A) to the total amount [(A) + (D)] of the components (A) and (D) is preferably
  • the component (E) preferably has a molecular weight of 70 to 600, more preferably 75 to 500, still more preferably 80 to 300, and still more preferably 85 to 200.
  • Component (E) is preferably at least one selected from propylene glycol, 1,3-propanediol, dipropylene glycol, 1,3-butylene glycol, glycerin and diglycerin,
  • the content of ⁇ 22> component (E) is preferably 1% by mass or more in the total composition, more preferably 2.5% by mass or more, preferably 18% by mass or less, and more preferably 15% by mass or less.
  • the mass ratio ⁇ (E) / [(A) + (D)] ⁇ of the component (E) to the total amount [(A) + (D)] of the components (A) and (D) is preferably 0.1 or more, more preferably 0.15 or more, still more preferably 0.3 or more, preferably 3 or less, more preferably 2.5 or less, and even more preferably 1.5 or less ⁇ 1> to The skin cosmetic according to any one of ⁇ 22>.
  • the water content of ⁇ 24> component (F) is preferably 50% by mass or more, more preferably 60% by mass or more, preferably 95% by mass or less, and more preferably 90% by mass or less in the total composition.
  • a nonionic surfactant is contained, and the content thereof is preferably 0.1% by mass or more, more preferably 0.3% by mass or more in the total composition, 0.5
  • Nonionic surfactant is preferably ethylene glycol fatty acid ester, polyethylene glycol fatty acid ester, polyalkylene glycol alkyl ether, polyethylene glycol hydrogenated castor oil, propylene glycol fatty acid ester, monoglycerin mono fatty acid ester, One or more selected from monoglycerin difatty acid ester, glycerin alkyl ether, sorbitan fatty acid ester, fatty acid alkanolamide, fatty acid dialkanolamide, more preferably polyalkylene glycol alkyl ether, and an alkyl group having 12 to 22 carbon atoms. More preferred is a polyalkylene glycol alkyl ether having a C 12-18 alkyl group. Further preferred the ⁇ 25> skin cosmetic according.
  • the nonionic surfactant preferably contains at least two polyalkylene glycol ethers each having an alkyl group having 2 or more different carbon atoms, polyethylene glycol ether of lauryl alcohol (laureth-3), More preferably, it contains at least two selected from polyethylene glycol ethers of cetyl alcohol and polyethylene glycol ethers of stearyl alcohol, more preferably the above three types of polyethylene glycol ethers,
  • the mass ratio ⁇ [(A) + (D)] / G ⁇ of the total amount [(A) + (D)] of the components (A) and (D) to the component (G) is preferably 3
  • the pH is preferably 5.5 to 9.5, more preferably pH 6.0 to 9.0, and even more preferably pH 6.5 to 8.5.
  • ⁇ 1> to ⁇ 28> The skin cosmetic according to any one of the above.
  • ⁇ 30> The skin cosmetic according to any one of ⁇ 1> to ⁇ 29>, wherein the skin cosmetic has a bulk lamella structure and a conceric lamella structure.
  • solid fats other than components (A) and (D) are contained, and the content thereof is preferably 10% by mass or less in the total composition, and more preferably 8% by mass or less.
  • ⁇ 32> contains an anionic surfactant, preferably polyoxyethylene C12-22 alkyl ether phosphoric acid or a salt thereof, C12-22 N-alkyloylmethyltaurine sodium, N-carbon Any one of the above ⁇ 1> to ⁇ 31>, wherein the alkyl ether phosphoric acid having 12 to 22 polyoxyethylene carbon atoms or a salt thereof is more preferably selected from the group consisting of acyl glutamates of 12 to 22 The skin cosmetic according to claim 1.
  • an anionic surfactant preferably polyoxyethylene C12-22 alkyl ether phosphoric acid or a salt thereof, C12-22 N-alkyloylmethyltaurine sodium, N-carbon Any one of the above ⁇ 1> to ⁇ 31>, wherein the alkyl ether phosphoric acid having 12 to 22 polyoxyethylene carbon atoms or a salt thereof is more preferably selected from the group consisting of acyl glutamates of 12 to 22
  • the content of ⁇ 33> anionic surfactant is preferably 0.01% by mass or more in the total composition, more preferably 0.1% by mass or more, still more preferably 0.3% by mass or more,
  • the skin cosmetic according to ⁇ 32> preferably 2% by mass or less, more preferably 1.8% by mass or less, and further preferably 1.5% by mass or less.
  • the skin cosmetic according to any one of the above ⁇ 1> to ⁇ 33> is applied to the skin, preferably excluding the scalp, more preferably applied to any of the face, body, limbs, etc. How to use cosmetics.
  • a moisturizing method wherein the skin cosmetic according to any one of ⁇ 1> to ⁇ 33> is applied to the skin.
  • Step 1 Mixing components (B), (C), (E) and (F), dissolving and homogenizing at 60 to 100 ° C. to form an aqueous phase part
  • Step 2 Mixing components (A) and (D), dissolving at 60 to 100 ° C., homogenizing to make oil phase part
  • Step 3 The water phase part obtained in Step 1 and the oil phase part obtained in Step 2 are mixed and made uniform, preferably 5 to 30 ° C., more preferably 10 to 28 ° C., and still more preferably Is a step of cooling to 15-26 ° C.
  • Examples 1 to 33, Comparative Examples 1 to 9 Skin cosmetics having the compositions shown in Tables 1 to 3 were produced, and the presence of bulk lamella formation in the cosmetics and the dried film was observed. Moreover, the moisture retention (moisture occlusion), the persistence of a moist feeling, the non-stickiness, and the uniform distribution on the skin were evaluated. The results are also shown in Tables 1 to 3.
  • the aqueous phase component containing the components (B), (C), (E) and (F) is stirred and dissolved at 70 to 80 ° C. to obtain an aqueous phase part.
  • the oil phase component containing the components (A) and (D) is stirred and dissolved at 70 to 80 ° C. to obtain an oil phase part.
  • the oil phase was added to the water phase with stirring at 70 to 80 ° C., and further cooled to room temperature (25 ° C.) with stirring to produce a skin cosmetic (oil-in-water emulsified cosmetic).
  • the mass before storage is (m1)
  • the mass after 24 hours is (m2)
  • the moisture transpiration rate S (g) was used, and the moisture transpiration suppression rate (%) was determined by the following formula.
  • Moisture transpiration W (g) Wm1-Wm2
  • Sustained moist feeling 10 professional panelists apply each skin cosmetic evenly on their face after washing their face to 2 mg / cm 2 , sensoryly evaluate the moist feeling of the skin after 3 hours according to the following criteria, and obtain the average value. It was. 4: Very moist. 3: Slightly moist. 2: I feel a little soft. 1: Feels thick.

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Abstract

La présente invention concerne un produit cosmétique pour la peau qui contient les constituants (A), (B), (C), (D), (E) et (F) suivants : (A) de 0,5 à 8 % en masse d'un acide gras saturé à chaîne droite en C12-22, (B) de 0,05 à 5 % en masse d'une base organique, (C) de 0,01 à 2 % en masse d'une base inorganique, (D) de 0,1 à 5 % en masse d'un alcool saturé à chaîne droite en C12-22, (E) de 0,1 à 20 % en masse d'un constituant hydratant, et (F) de l'eau, la quantité totale des constituants (A) et (D) étant de (A) + (D) = 0,6 à 13 % en masse, le rapport massique du constituant (A) par rapport à la quantité totale [(A) + (D)] de constituants (A) et (D) étant de (A) / [(A) + (D)] = 0,7 à 0,9, le rapport molaire du constituant (B) par rapport à la quantité totale [(B) + (C)] de constituants (B) et (C) étant de (B) / [(B) + (C)] = 60 à 90 % en moles, et le rapport molaire de la quantité totale [(B) + (C)] de constituants (B) et (C) par rapport au constituant (A) étant de [(B) + (C)] / (A) = 20 à 100 % en moles.
PCT/JP2015/061219 2014-05-30 2015-04-10 Produit cosmétique pour la peau WO2015182260A1 (fr)

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US15/027,341 US20160243012A1 (en) 2014-05-30 2015-04-10 Skin cosmetic

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JP2014-113235 2014-05-30
JP2014113235A JP5973493B2 (ja) 2014-05-30 2014-05-30 皮膚化粧料

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JP7433743B2 (ja) * 2017-12-27 2024-02-20 小林製薬株式会社 真珠様光沢を有する乳化組成物

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006290751A (ja) * 2005-04-06 2006-10-26 Kao Corp 水中油型エマルション及びその製造方法
JP2006312622A (ja) * 2005-04-06 2006-11-16 Kao Corp 水中油型エマルション及びその製造方法
JP2007009199A (ja) * 2005-06-03 2007-01-18 Maruho Co Ltd 液晶乳化型組成物
WO2015056807A1 (fr) * 2013-10-17 2015-04-23 Kao Corporation Composition cosmétique pour la peau

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006290751A (ja) * 2005-04-06 2006-10-26 Kao Corp 水中油型エマルション及びその製造方法
JP2006312622A (ja) * 2005-04-06 2006-11-16 Kao Corp 水中油型エマルション及びその製造方法
JP2007009199A (ja) * 2005-06-03 2007-01-18 Maruho Co Ltd 液晶乳化型組成物
WO2015056807A1 (fr) * 2013-10-17 2015-04-23 Kao Corporation Composition cosmétique pour la peau

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